The high strength, tightly woven belts in Retracta-BeltÂ® posts are available in 10' - 65' lengths. Retracta-BeltÂ® posts are compatible with most existing posts from other manufacturers. Heavy gauge aluminum or PVC construction makes each post rustproof and highly resistant to the outdoor elements. The outdoor-rated Utility Posts (Models 302, 303, 322, and 323) are constructed of high quality recyclable aluminum or premium PVC. Posts insert easily into a solid 100% recycled rubber base or a plastic base that can be filled with water or sand to increase the base weight up to 30 lbs. Utility Posts bases include a convenient carrying handle and storage spot for when posts are not in use. All posts except HPM412 and HSM6500 can ship Knocked Down in multiples of two. All products featured have a 10 year warranty. FOB Shipping Point.